Abstract
Bentonites are an important kind of industrial clays with more than a hundred different uses. In the oil and gas industries they are used as thixotropic additives for drilling fluids and also as sorbents for purification of flows and effluents. Due to the mechanical and thermal properties that they exhibit, bentonites will become in a near future important fillers in clay/polymer nanocomposites which could be used in the oil and gas industry for replacement of various metal components. In this paper a chocolate color bentonite from the state of Paraiba in Brazil was characterized by diverse techniques such as XRD, DSC/TGA, surface area, and cation exchange capacity and it was studied its potential use as thixotropic additive for oil and gas drilling fluids and as sorbents of oils. The bentonite showed good potential for use in those applications.
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Acknowledgements
Grants 11/50027-7 and 12/51871-9, São Paulo Research Foundation (FAPESP).
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Cutrim, A.A. et al. (2018). Characterization of a Brazilian Bentonite for Its Use in the Oil and Gas Industry. In: Li, B., et al. Characterization of Minerals, Metals, and Materials 2018 . TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72484-3_48
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DOI: https://doi.org/10.1007/978-3-319-72484-3_48
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